The DL East

The Yankees, who placed David Robertson on the disabled list Tuesday, aren’t the only team hurting in the AL East.

Their two biggest rivals, the Red Sox and Rays, have also been hit by the injury bug. All three teams have already lost their closer. A look at the teams’ key losses this season:

Yankees

RP Mariano Rivera, Torn right ACL, meniscus, 60-day DL

RP David Robertson, Left oblique strain, 15-day DL

SP Michael Pineda, Right anterior labral tear, Out for season

RP Joba Chamberlain, Dislocated ankle, 60-day DL

OF Brett Gardner, Right elbow, 15-day DL

Red Sox

RP Andrew Bailey, Right thumb, 60-day DL

OF Jacoby Ellsbury, Right shoulder, 60-day DL

OF Carl Crawford, Left elbow, 60-day DL

3B Kevin Youkilis, Lower back strain, 15-day DL

SP John Lackey, Tommy John surgery, Out for season

Rays

RP Kyle Farnsworth, Right elbow, 60-day DL

3B Evan Longoria, Partially torn left hamstring, 15-day DL

SP Jeff Niemann, Fractured right fibula, 15-day DL

OF Desmond Jennings, Left knee sprain, 15-day DL